2152421064402 has 48 divisors (see below), whose sum is σ = 5017872760992. Its totient is φ = 613724905920.

The previous prime is 2152421064383. The next prime is 2152421064403. The reversal of 2152421064402 is 2044601242512.

It is not an unprimeable number, because it can be changed into a prime (2152421064403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7311003 + ... + 7599710.

It is an arithmetic number, because the mean of its divisors is an integer number (104539015854).

Almost surely, 2^{2152421064402} is an apocalyptic number.

2152421064402 is an abundant number, since it is smaller than the sum of its proper divisors (2865451696590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152421064402 is a wasteful number, since it uses less digits than its factorization.

2152421064402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14911223 (or 14911216 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 2152421064402 in words is "two trillion, one hundred fifty-two billion, four hundred twenty-one million, sixty-four thousand, four hundred two".