15000870349 has 2 divisors, whose sum is σ = 15000870350. Its totient is φ = 15000870348.

The previous prime is 15000870289. The next prime is 15000870359. The reversal of 15000870349 is 94307800051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12943612900 + 2057257449 = 113770^2 + 45357^2 .

It is a cyclic number.

It is not a de Polignac number, because 15000870349 - 2²⁵ = 14967315917 is a prime.

It is a super-2 number, since 2×15000870349² (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 (15000870359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500435174 + 7500435175.

It is an arithmetic number, because the mean of its divisors is an integer number (7500435175).

Almost surely, 2^15000870349 is an apocalyptic number.

It is an amenable number.

15000870349 is a deficient number, since it is larger than the sum of its proper divisors (1).

15000870349 is an equidigital number, since it uses as much as digits as its factorization.

15000870349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 15000870349 in words is "fifteen billion, eight hundred seventy thousand, three hundred forty-nine".