15194713453 has 2 divisors, whose sum is σ = 15194713454. Its totient is φ = 15194713452.

The previous prime is 15194713409. The next prime is 15194713481. The reversal of 15194713453 is 35431749151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12471752329 + 2722961124 = 111677^2 + 52182^2 .

It is a cyclic number.

It is not a de Polignac number, because 15194713453 - 2¹³ = 15194705261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15194713753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7597356726 + 7597356727.

It is an arithmetic number, because the mean of its divisors is an integer number (7597356727).

Almost surely, 2^15194713453 is an apocalyptic number.

It is an amenable number.

15194713453 is a deficient number, since it is larger than the sum of its proper divisors (1).

15194713453 is an equidigital number, since it uses as much as digits as its factorization.

15194713453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The spelling of 15194713453 in words is "fifteen billion, one hundred ninety-four million, seven hundred thirteen thousand, four hundred fifty-three".