70420884451 has 2 divisors, whose sum is σ = 70420884452. Its totient is φ = 70420884450.

The previous prime is 70420884419. The next prime is 70420884461. The reversal of 70420884451 is 15448802407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70420884451 - 2⁵ = 70420884419 is a prime.

It is a super-2 number, since 2×70420884451² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70420884398 and 70420884407.

It is not a weakly prime, because it can be changed into another prime (70420884461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35210442225 + 35210442226.

It is an arithmetic number, because the mean of its divisors is an integer number (35210442226).

Almost surely, 2^70420884451 is an apocalyptic number.

70420884451 is a deficient number, since it is larger than the sum of its proper divisors (1).

70420884451 is an equidigital number, since it uses as much as digits as its factorization.

70420884451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 70420884451 in words is "seventy billion, four hundred twenty million, eight hundred eighty-four thousand, four hundred fifty-one".