6435742490 has 16 divisors (see below), whose sum is σ = 11853740448. Its totient is φ = 2514429456.

The previous prime is 6435742483. The next prime is 6435742501. The reversal of 6435742490 is 942475346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7482992 + ... + 7483851.

It is an arithmetic number, because the mean of its divisors is an integer number (740858778).

Almost surely, 2^6435742490 is an apocalyptic number.

6435742490 is a deficient number, since it is larger than the sum of its proper divisors (5417997958).

6435742490 is a wasteful number, since it uses less digits than its factorization.

6435742490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966893.

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 6435742490 is about 80223.0795345080. The cubic root of 6435742490 is about 1860.0854096133.

The spelling of 6435742490 in words is "six billion, four hundred thirty-five million, seven hundred forty-two thousand, four hundred ninety".