3905457485293 has 32 divisors (see below), whose sum is σ = 4897787731200. Its totient is φ = 3031495773696.

The previous prime is 3905457485287. The next prime is 3905457485351. The reversal of 3905457485293 is 3925847545093.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3905457485293 is a prime.

It is a super-2 number, since 2×3905457485293² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905457485693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88378678 + ... + 88422856.

It is an arithmetic number, because the mean of its divisors is an integer number (153055866600).

Almost surely, 2^{3905457485293} is an apocalyptic number.

It is an amenable number.

3905457485293 is a deficient number, since it is larger than the sum of its proper divisors (992330245907).

3905457485293 is a wasteful number, since it uses less digits than its factorization.

3905457485293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62581.

The product of its (nonzero) digits is 163296000, while the sum is 64.

The spelling of 3905457485293 in words is "three trillion, nine hundred five billion, four hundred fifty-seven million, four hundred eighty-five thousand, two hundred ninety-three".