70351853513 has 2 divisors, whose sum is σ = 70351853514. Its totient is φ = 70351853512.

The previous prime is 70351853477. The next prime is 70351853557. The reversal of 70351853513 is 31535815307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38379552649 + 31972300864 = 195907^2 + 178808^2 .

It is a cyclic number.

It is not a de Polignac number, because 70351853513 - 2¹⁰ = 70351852489 is a prime.

It is a super-2 number, since 2×70351853513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70351853563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35175926756 + 35175926757.

It is an arithmetic number, because the mean of its divisors is an integer number (35175926757).

Almost surely, 2^70351853513 is an apocalyptic number.

It is an amenable number.

70351853513 is a deficient number, since it is larger than the sum of its proper divisors (1).

70351853513 is an equidigital number, since it uses as much as digits as its factorization.

70351853513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 70351853513 in words is "seventy billion, three hundred fifty-one million, eight hundred fifty-three thousand, five hundred thirteen".