21470667006245 has 16 divisors (see below), whose sum is σ = 26098860517632. Its totient is φ = 16954202116800.

The previous prime is 21470667006211. The next prime is 21470667006263. The reversal of 21470667006245 is 54260076607412.

It is not a de Polignac number, because 21470667006245 - 2³⁰ = 21469593264421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21470667006193 and 21470667006202.

It is a congruent number.

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, 22994906 + ... + 23910395.

It is an arithmetic number, because the mean of its divisors is an integer number (1631178782352).

Almost surely, 2^{21470667006245} is an apocalyptic number.

It is an amenable number.

21470667006245 is a deficient number, since it is larger than the sum of its proper divisors (4628193511387).

21470667006245 is a wasteful number, since it uses less digits than its factorization.

21470667006245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46906492.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 21470667006245 in words is "twenty-one trillion, four hundred seventy billion, six hundred sixty-seven million, six thousand, two hundred forty-five".