1694115144990 has 80 divisors (see below), whose sum is σ = 4619446524000. Its totient is φ = 445401149760.

The previous prime is 1694115144973. The next prime is 1694115145031. The reversal of 1694115144990 is 994415114961.

It is a happy number.

1694115144990 is a `hidden beast` number, since 1 + 6 + 9 + 41 + 151 + 449 + 9 + 0 = 666.

It is a super-2 number, since 2×1694115144990² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14671365 + ... + 14786384.

It is an arithmetic number, because the mean of its divisors is an integer number (57743081550).

Almost surely, 2^{1694115144990} is an apocalyptic number.

1694115144990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1694115144990 is an abundant number, since it is smaller than the sum of its proper divisors (2925331379010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1694115144990 is a wasteful number, since it uses less digits than its factorization.

1694115144990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29457839 (or 29457830 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 1694115144990 in words is "one trillion, six hundred ninety-four billion, one hundred fifteen million, one hundred forty-four thousand, nine hundred ninety".