90351943047 has 40 divisors (see below), whose sum is σ = 139691576640. Its totient is φ = 58129565760.

The previous prime is 90351943039. The next prime is 90351943051. The reversal of 90351943047 is 74034915309.

90351943047 is a `hidden beast` number, since 90 + 3 + 519 + 4 + 3 + 0 + 47 = 666.

It is not a de Polignac number, because 90351943047 - 2³ = 90351943039 is a prime.

It is a super-2 number, since 2×90351943047² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90351942993 and 90351943011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90351943147) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5589597 + ... + 5605737.

It is an arithmetic number, because the mean of its divisors is an integer number (3492289416).

Almost surely, 2^90351943047 is an apocalyptic number.

90351943047 is a deficient number, since it is larger than the sum of its proper divisors (49339633593).

90351943047 is a wasteful number, since it uses less digits than its factorization.

90351943047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18565 (or 18556 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 90351943047 in words is "ninety billion, three hundred fifty-one million, nine hundred forty-three thousand, forty-seven".