6442951402 has 32 divisors (see below), whose sum is σ = 10343116800. Its totient is φ = 3003369600.

The previous prime is 6442951381. The next prime is 6442951409. The reversal of 6442951402 is 2041592446.

It is not an unprimeable number, because it can be changed into a prime (6442951409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857502 + ... + 864982.

It is an arithmetic number, because the mean of its divisors is an integer number (323222400).

Almost surely, 2^6442951402 is an apocalyptic number.

6442951402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6442951402 is a deficient number, since it is larger than the sum of its proper divisors (3900165398).

6442951402 is a wasteful number, since it uses less digits than its factorization.

6442951402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8022.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6442951402 is about 80267.9973713061. The cubic root of 6442951402 is about 1860.7796671629.

The spelling of 6442951402 in words is "six billion, four hundred forty-two million, nine hundred fifty-one thousand, four hundred two".