18452728950291 has 6 divisors (see below), whose sum is σ = 26653941817100. Its totient is φ = 12301819300188.

The previous prime is 18452728950251. The next prime is 18452728950343. The reversal of 18452728950291 is 19205982725481.

18452728950291 is a `hidden beast` number, since 1 + 8 + 4 + 52 + 72 + 8 + 9 + 502 + 9 + 1 = 666.

It is not a de Polignac number, because 18452728950291 - 2²¹ = 18452726853139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18452728950251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1025151608341 + ... + 1025151608358.

Almost surely, 2^{18452728950291} is an apocalyptic number.

18452728950291 is a deficient number, since it is larger than the sum of its proper divisors (8201212866809).

18452728950291 is a wasteful number, since it uses less digits than its factorization.

18452728950291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050303216705 (or 2050303216702 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 18452728950291 in words is "eighteen trillion, four hundred fifty-two billion, seven hundred twenty-eight million, nine hundred fifty thousand, two hundred ninety-one".