15452786069 has 12 divisors (see below), whose sum is σ = 18112916448. Its totient is φ = 13144131000.

The previous prime is 15452786059. The next prime is 15452786071. The reversal of 15452786069 is 96068725451.

It is a de Polignac number, because none of the positive numbers 2^k-15452786069 is a prime.

It is a super-2 number, since 2×15452786069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15452786069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15452786059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1197257 + ... + 1210094.

It is an arithmetic number, because the mean of its divisors is an integer number (1509409704).

Almost surely, 2^15452786069 is an apocalyptic number.

It is an amenable number.

15452786069 is a deficient number, since it is larger than the sum of its proper divisors (2660130379).

15452786069 is a wasteful number, since it uses less digits than its factorization.

15452786069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407496 (or 2407489 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 15452786069 in words is "fifteen billion, four hundred fifty-two million, seven hundred eighty-six thousand, sixty-nine".