502690909091 has 64 divisors (see below), whose sum is σ = 607853030400. Its totient is φ = 406677659136.

The previous prime is 502690909069. The next prime is 502690909153. The reversal of 502690909091 is 190909096205.

It is not a de Polignac number, because 502690909091 - 2³⁴ = 485511039907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (502690909001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 892878776 + ... + 892879338.

It is an arithmetic number, because the mean of its divisors is an integer number (9497703600).

Almost surely, 2^502690909091 is an apocalyptic number.

502690909091 is a deficient number, since it is larger than the sum of its proper divisors (105162121309).

502690909091 is a wasteful number, since it uses less digits than its factorization.

502690909091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its (nonzero) digits is 393660, while the sum is 50.

The spelling of 502690909091 in words is "five hundred two billion, six hundred ninety million, nine hundred nine thousand, ninety-one".