15412021453 has 2 divisors, whose sum is σ = 15412021454. Its totient is φ = 15412021452.

The previous prime is 15412021433. The next prime is 15412021463. The reversal of 15412021453 is 35412021451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8463632004 + 6948389449 = 91998^2 + 83357^2 .

It is a cyclic number.

It is not a de Polignac number, because 15412021453 - 2¹⁷ = 15411890381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15412021433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706010726 + 7706010727.

It is an arithmetic number, because the mean of its divisors is an integer number (7706010727).

Almost surely, 2^15412021453 is an apocalyptic number.

It is an amenable number.

15412021453 is a deficient number, since it is larger than the sum of its proper divisors (1).

15412021453 is an equidigital number, since it uses as much as digits as its factorization.

15412021453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 15412021453 in words is "fifteen billion, four hundred twelve million, twenty-one thousand, four hundred fifty-three".