21370376010 has 32 divisors (see below), whose sum is σ = 52675091712. Its totient is φ = 5544745920.

The previous prime is 21370375991. The next prime is 21370376029. The reversal of 21370376010 is 1067307312.

It is an interprime number because it is at equal distance from previous prime (21370375991) and next prime (21370376029).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9625186 + ... + 9627405.

It is an arithmetic number, because the mean of its divisors is an integer number (1646096616).

Almost surely, 2^21370376010 is an apocalyptic number.

21370376010 is an abundant number, since it is smaller than the sum of its proper divisors (31304715702).

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

21370376010 is a wasteful number, since it uses less digits than its factorization.

21370376010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19252638.

The product of its (nonzero) digits is 5292, while the sum is 30.

The spelling of 21370376010 in words is "twenty-one billion, three hundred seventy million, three hundred seventy-six thousand, ten".