70649631803 has 2 divisors, whose sum is σ = 70649631804. Its totient is φ = 70649631802.

The previous prime is 70649631779. The next prime is 70649631869. The reversal of 70649631803 is 30813694607.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70649631803 - 2¹² = 70649627707 is a prime.

It is not a weakly prime, because it can be changed into another prime (70649639803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35324815901 + 35324815902.

It is an arithmetic number, because the mean of its divisors is an integer number (35324815902).

Almost surely, 2^70649631803 is an apocalyptic number.

70649631803 is a deficient number, since it is larger than the sum of its proper divisors (1).

70649631803 is an equidigital number, since it uses as much as digits as its factorization.

70649631803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 70649631803 in words is "seventy billion, six hundred forty-nine million, six hundred thirty-one thousand, eight hundred three".