15442452253 has 2 divisors, whose sum is σ = 15442452254. Its totient is φ = 15442452252.

The previous prime is 15442452229. The next prime is 15442452307. The reversal of 15442452253 is 35225424451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12410628409 + 3031823844 = 111403^2 + 55062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15442452253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15442452653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7721226126 + 7721226127.

It is an arithmetic number, because the mean of its divisors is an integer number (7721226127).

Almost surely, 2^15442452253 is an apocalyptic number.

It is an amenable number.

15442452253 is a deficient number, since it is larger than the sum of its proper divisors (1).

15442452253 is an equidigital number, since it uses as much as digits as its factorization.

15442452253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192000, while the sum is 37.

The spelling of 15442452253 in words is "fifteen billion, four hundred forty-two million, four hundred fifty-two thousand, two hundred fifty-three".