6402123042154 has 16 divisors (see below), whose sum is σ = 11329102526976. Its totient is φ = 2655258404400.

The previous prime is 6402123042151. The next prime is 6402123042157. The reversal of 6402123042154 is 4512403212046.

It is an interprime number because it is at equal distance from previous prime (6402123042151) and next prime (6402123042157).

It is not an unprimeable number, because it can be changed into a prime (6402123042151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7375717357 + ... + 7375718224.

It is an arithmetic number, because the mean of its divisors is an integer number (708068907936).

Almost surely, 2^{6402123042154} is an apocalyptic number.

6402123042154 is a deficient number, since it is larger than the sum of its proper divisors (4926979484822).

6402123042154 is a wasteful number, since it uses less digits than its factorization.

6402123042154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14751435621.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 6402123042154 in words is "six trillion, four hundred two billion, one hundred twenty-three million, forty-two thousand, one hundred fifty-four".