15151499969 has 2 divisors, whose sum is σ = 15151499970. Its totient is φ = 15151499968.

The previous prime is 15151499959. The next prime is 15151499971. The reversal of 15151499969 is 96999415151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14003645569 + 1147854400 = 118337^2 + 33880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15151499969 is a prime.

It is a super-2 number, since 2×15151499969² (a number of 21 digits) contains 22 as substring.

Together with 15151499971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15151499959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575749984 + 7575749985.

It is an arithmetic number, because the mean of its divisors is an integer number (7575749985).

Almost surely, 2^15151499969 is an apocalyptic number.

It is an amenable number.

15151499969 is a deficient number, since it is larger than the sum of its proper divisors (1).

15151499969 is an equidigital number, since it uses as much as digits as its factorization.

15151499969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3936600, while the sum is 59.

The spelling of 15151499969 in words is "fifteen billion, one hundred fifty-one million, four hundred ninety-nine thousand, nine hundred sixty-nine".