6247404155 has 16 divisors (see below), whose sum is σ = 7919575200. Its totient is φ = 4718004480.

The previous prime is 6247404143. The next prime is 6247404173. The reversal of 6247404155 is 5514047426.

It is a happy number.

It is not a de Polignac number, because 6247404155 - 2¹⁴ = 6247387771 is a prime.

It is a super-2 number, since 2×6247404155² = 78060117351822528050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90320 + ... + 143709.

It is an arithmetic number, because the mean of its divisors is an integer number (494973450).

Almost surely, 2^6247404155 is an apocalyptic number.

6247404155 is a deficient number, since it is larger than the sum of its proper divisors (1672171045).

6247404155 is a wasteful number, since it uses less digits than its factorization.

6247404155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234334.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 6247404155 is about 79040.5222338517. The cubic root of 6247404155 is about 1841.7606960128.

The spelling of 6247404155 in words is "six billion, two hundred forty-seven million, four hundred four thousand, one hundred fifty-five".