6253243044520 has 16 divisors (see below), whose sum is σ = 14069796850260. Its totient is φ = 2501297217792.

The previous prime is 6253243044481. The next prime is 6253243044539. The reversal of 6253243044520 is 254403423526.

It can be written as a sum of positive squares in 2 ways, for example, as 5966656270276 + 286586774244 = 2442674^2 + 535338^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 156331076113 = 6253243044520 / (6 + 2 + 5 + 3 + 2 + 4 + 3 + 0 + 4 + 4 + 5 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78165538017 + ... + 78165538096.

Almost surely, 2^{6253243044520} is an apocalyptic number.

It is an amenable number.

6253243044520 is an abundant number, since it is smaller than the sum of its proper divisors (7816553805740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6253243044520 is a wasteful number, since it uses less digits than its factorization.

6253243044520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156331076124 (or 156331076120 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 6253243044520 in words is "six trillion, two hundred fifty-three billion, two hundred forty-three million, forty-four thousand, five hundred twenty".