42647101695 has 64 divisors (see below), whose sum is σ = 82776038400. Its totient is φ = 20660757120.

The previous prime is 42647101669. The next prime is 42647101703. The reversal of 42647101695 is 59610174624.

It is not a de Polignac number, because 42647101695 - 2¹⁵ = 42647068927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42647101695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1947829 + ... + 1969601.

It is an arithmetic number, because the mean of its divisors is an integer number (1293375600).

Almost surely, 2^42647101695 is an apocalyptic number.

42647101695 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42647101695 is a deficient number, since it is larger than the sum of its proper divisors (40128936705).

42647101695 is a wasteful number, since it uses less digits than its factorization.

42647101695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23117 (or 23111 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 42647101695 in words is "forty-two billion, six hundred forty-seven million, one hundred one thousand, six hundred ninety-five".