15450802813 has 2 divisors, whose sum is σ = 15450802814. Its totient is φ = 15450802812.

The previous prime is 15450802771. The next prime is 15450802817. The reversal of 15450802813 is 31820805451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14346769284 + 1104033529 = 119778^2 + 33227^2 .

It is a cyclic number.

It is not a de Polignac number, because 15450802813 - 2³³ = 6860868221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15450802817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7725401406 + 7725401407.

It is an arithmetic number, because the mean of its divisors is an integer number (7725401407).

Almost surely, 2^15450802813 is an apocalyptic number.

It is an amenable number.

15450802813 is a deficient number, since it is larger than the sum of its proper divisors (1).

15450802813 is an equidigital number, since it uses as much as digits as its factorization.

15450802813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 15450802813 in words is "fifteen billion, four hundred fifty million, eight hundred two thousand, eight hundred thirteen".