254152552514421 has 64 divisors (see below), whose sum is σ = 373908621461760. Its totient is φ = 153546198220800.

The previous prime is 254152552514387. The next prime is 254152552514461. The reversal of 254152552514421 is 124415255251452.

It is a happy number.

It is not a de Polignac number, because 254152552514421 - 2¹⁹ = 254152551990133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254152552514461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1661127301 + ... + 1661280293.

It is an arithmetic number, because the mean of its divisors is an integer number (5842322210340).

Almost surely, 2^{254152552514421} is an apocalyptic number.

It is an amenable number.

254152552514421 is a deficient number, since it is larger than the sum of its proper divisors (119756068947339).

254152552514421 is a wasteful number, since it uses less digits than its factorization.

254152552514421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154339 (or 154317 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 48.

The spelling of 254152552514421 in words is "two hundred fifty-four trillion, one hundred fifty-two billion, five hundred fifty-two million, five hundred fourteen thousand, four hundred twenty-one".