6376145557 has 4 divisors (see below), whose sum is σ = 6465950496. Its totient is φ = 6286340620.

The previous prime is 6376145539. The next prime is 6376145561. The reversal of 6376145557 is 7555416736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6376145557 - 2¹⁹ = 6375621269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6376145557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6376145357) 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, 44902363 + ... + 44902504.

It is an arithmetic number, because the mean of its divisors is an integer number (1616487624).

Almost surely, 2^6376145557 is an apocalyptic number.

It is an amenable number.

6376145557 is a deficient number, since it is larger than the sum of its proper divisors (89804939).

6376145557 is an equidigital number, since it uses as much as digits as its factorization.

6376145557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89804938.

The product of its digits is 2646000, while the sum is 49.

The square root of 6376145557 is about 79850.7705473153. The cubic root of 6376145557 is about 1854.3259424957.

The spelling of 6376145557 in words is "six billion, three hundred seventy-six million, one hundred forty-five thousand, five hundred fifty-seven".