21364233465670 has 16 divisors (see below), whose sum is σ = 38887705860480. Its totient is φ = 8449674359104.

The previous prime is 21364233465667. The next prime is 21364233465713. The reversal of 21364233465670 is 7656433246312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12002377462 + ... + 12002379241.

It is an arithmetic number, because the mean of its divisors is an integer number (2430481616280).

Almost surely, 2^{21364233465670} is an apocalyptic number.

21364233465670 is a deficient number, since it is larger than the sum of its proper divisors (17523472394810).

21364233465670 is a wasteful number, since it uses less digits than its factorization.

21364233465670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24004756799.

The product of its (nonzero) digits is 13063680, while the sum is 52.

The spelling of 21364233465670 in words is "twenty-one trillion, three hundred sixty-four billion, two hundred thirty-three million, four hundred sixty-five thousand, six hundred seventy".