514404512026621 has 4 divisors (see below), whose sum is σ = 514404946463452. Its totient is φ = 514404077589792.

The previous prime is 514404512026477. The next prime is 514404512026651. The reversal of 514404512026621 is 126620215404415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492704100969721 + 21700411056900 = 22196939^2 + 4658370^2 .

It is a cyclic number.

It is not a de Polignac number, because 514404512026621 - 2³⁵ = 514370152288253 is a prime.

It is a super-2 number, since 2×514404512026621² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514404512026651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215437440 + ... + 217812073.

It is an arithmetic number, because the mean of its divisors is an integer number (128601236615863).

Almost surely, 2^{514404512026621} is an apocalyptic number.

It is an amenable number.

514404512026621 is a deficient number, since it is larger than the sum of its proper divisors (434436831).

514404512026621 is a wasteful number, since it uses less digits than its factorization.

514404512026621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434436830.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 514404512026621 in words is "five hundred fourteen trillion, four hundred four billion, five hundred twelve million, twenty-six thousand, six hundred twenty-one".