70039509619 has 2 divisors, whose sum is σ = 70039509620. Its totient is φ = 70039509618.

The previous prime is 70039509611. The next prime is 70039509629. The reversal of 70039509619 is 91690593007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70039509619 - 2³ = 70039509611 is a prime.

It is a super-2 number, since 2×70039509619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70039509611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35019754809 + 35019754810.

It is an arithmetic number, because the mean of its divisors is an integer number (35019754810).

Almost surely, 2^70039509619 is an apocalyptic number.

70039509619 is a deficient number, since it is larger than the sum of its proper divisors (1).

70039509619 is an equidigital number, since it uses as much as digits as its factorization.

70039509619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459270, while the sum is 49.

The spelling of 70039509619 in words is "seventy billion, thirty-nine million, five hundred nine thousand, six hundred nineteen".