6402502545 has 16 divisors (see below), whose sum is σ = 10245115392. Its totient is φ = 3414297600.

The previous prime is 6402502531. The next prime is 6402502567. The reversal of 6402502545 is 5452052046.

It is not a de Polignac number, because 6402502545 - 2⁷ = 6402502417 is a prime.

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, 173745 + ... + 207345.

It is an arithmetic number, because the mean of its divisors is an integer number (640319712).

Almost surely, 2^6402502545 is an apocalyptic number.

It is an amenable number.

6402502545 is a deficient number, since it is larger than the sum of its proper divisors (3842612847).

6402502545 is a wasteful number, since it uses less digits than its factorization.

6402502545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46312.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 6402502545 is about 80015.6393775617. The cubic root of 6402502545 is about 1856.8774974294.

The spelling of 6402502545 in words is "six billion, four hundred two million, five hundred two thousand, five hundred forty-five".