70045680739 has 2 divisors, whose sum is σ = 70045680740. Its totient is φ = 70045680738.

The previous prime is 70045680713. The next prime is 70045680797. The reversal of 70045680739 is 93708654007.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70045680739 - 2²¹ = 70043583587 is a prime.

It is a super-2 number, since 2×70045680739² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70045680692 and 70045680701.

It is not a weakly prime, because it can be changed into another prime (70045680539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35022840369 + 35022840370.

It is an arithmetic number, because the mean of its divisors is an integer number (35022840370).

Almost surely, 2^70045680739 is an apocalyptic number.

70045680739 is a deficient number, since it is larger than the sum of its proper divisors (1).

70045680739 is an equidigital number, since it uses as much as digits as its factorization.

70045680739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 70045680739 in words is "seventy billion, forty-five million, six hundred eighty thousand, seven hundred thirty-nine".