70470437663 has 4 divisors (see below), whose sum is σ = 70478218920. Its totient is φ = 70462656408.

The previous prime is 70470437579. The next prime is 70470437669. The reversal of 70470437663 is 36673407407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70470437663 - 2²⁶ = 70403328799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70470437669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3877028 + ... + 3895161.

It is an arithmetic number, because the mean of its divisors is an integer number (17619554730).

Almost surely, 2^70470437663 is an apocalyptic number.

70470437663 is a deficient number, since it is larger than the sum of its proper divisors (7781257).

70470437663 is an equidigital number, since it uses as much as digits as its factorization.

70470437663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781256.

The product of its (nonzero) digits is 1778112, while the sum is 47.

The spelling of 70470437663 in words is "seventy billion, four hundred seventy million, four hundred thirty-seven thousand, six hundred sixty-three".