70538605051 has 2 divisors, whose sum is σ = 70538605052. Its totient is φ = 70538605050.

The previous prime is 70538605037. The next prime is 70538605069. The reversal of 70538605051 is 15050683507.

It is a weak prime.

It is an emirp because it is prime and its reverse (15050683507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70538605051 - 2²³ = 70530216443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70538604995 and 70538605013.

It is not a weakly prime, because it can be changed into another prime (70538605031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35269302525 + 35269302526.

It is an arithmetic number, because the mean of its divisors is an integer number (35269302526).

Almost surely, 2^70538605051 is an apocalyptic number.

70538605051 is a deficient number, since it is larger than the sum of its proper divisors (1).

70538605051 is an equidigital number, since it uses as much as digits as its factorization.

70538605051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 70538605051 in words is "seventy billion, five hundred thirty-eight million, six hundred five thousand, fifty-one".