70049020831 has 2 divisors, whose sum is σ = 70049020832. Its totient is φ = 70049020830.

The previous prime is 70049020763. The next prime is 70049020837. The reversal of 70049020831 is 13802094007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70049020831 - 2²¹ = 70046923679 is a prime.

It is a super-3 number, since 3×70049020831³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70049020837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35024510415 + 35024510416.

It is an arithmetic number, because the mean of its divisors is an integer number (35024510416).

Almost surely, 2^70049020831 is an apocalyptic number.

70049020831 is a deficient number, since it is larger than the sum of its proper divisors (1).

70049020831 is an equidigital number, since it uses as much as digits as its factorization.

70049020831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 70049020831 in words is "seventy billion, forty-nine million, twenty thousand, eight hundred thirty-one".