907447881149 has 4 divisors (see below), whose sum is σ = 912149683836. Its totient is φ = 902746078464.

The previous prime is 907447881121. The next prime is 907447881161. The reversal of 907447881149 is 941188744709.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158153359225 + 749294521924 = 397685^2 + 865618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-907447881149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 907447881091 and 907447881100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (907447881349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350901054 + ... + 2350901439.

It is an arithmetic number, because the mean of its divisors is an integer number (228037420959).

Almost surely, 2^907447881149 is an apocalyptic number.

It is an amenable number.

907447881149 is a deficient number, since it is larger than the sum of its proper divisors (4701802687).

907447881149 is a wasteful number, since it uses less digits than its factorization.

907447881149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701802686.

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 907447881149 in words is "nine hundred seven billion, four hundred forty-seven million, eight hundred eighty-one thousand, one hundred forty-nine".