3907290069493 has 4 divisors (see below), whose sum is σ = 3928877307628. Its totient is φ = 3885702831360.

The previous prime is 3907290069479. The next prime is 3907290069499. The reversal of 3907290069493 is 3949600927093.

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 396826923364 + 3510463146129 = 629942^2 + 1873623^2 .

It is a cyclic number.

It is not a de Polignac number, because 3907290069493 - 2⁵ = 3907290069461 is a prime.

It is a super-2 number, since 2×3907290069493² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3907290069499) 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, 10793618796 + ... + 10793619157.

It is an arithmetic number, because the mean of its divisors is an integer number (982219326907).

Almost surely, 2^{3907290069493} is an apocalyptic number.

It is an amenable number.

3907290069493 is a deficient number, since it is larger than the sum of its proper divisors (21587238135).

3907290069493 is a wasteful number, since it uses less digits than its factorization.

3907290069493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21587238134.

The product of its (nonzero) digits is 19840464, while the sum is 61.

The spelling of 3907290069493 in words is "three trillion, nine hundred seven billion, two hundred ninety million, sixty-nine thousand, four hundred ninety-three".