15040323349 has 2 divisors, whose sum is σ = 15040323350. Its totient is φ = 15040323348.

The previous prime is 15040323341. The next prime is 15040323359. The reversal of 15040323349 is 94332304051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8557175025 + 6483148324 = 92505^2 + 80518^2 .

It is a cyclic number.

It is not a de Polignac number, because 15040323349 - 2³ = 15040323341 is a prime.

It is a super-2 number, since 2×15040323349² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15040323341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520161674 + 7520161675.

It is an arithmetic number, because the mean of its divisors is an integer number (7520161675).

Almost surely, 2^15040323349 is an apocalyptic number.

It is an amenable number.

15040323349 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040323349 is an equidigital number, since it uses as much as digits as its factorization.

15040323349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 15040323349 in words is "fifteen billion, forty million, three hundred twenty-three thousand, three hundred forty-nine".