101097923939 has 2 divisors, whose sum is σ = 101097923940. Its totient is φ = 101097923938.

The previous prime is 101097923923. The next prime is 101097923957. The reversal of 101097923939 is 939329790101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101097923939 - 2⁴ = 101097923923 is a prime.

It is not a weakly prime, because it can be changed into another prime (101097923959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50548961969 + 50548961970.

It is an arithmetic number, because the mean of its divisors is an integer number (50548961970).

Almost surely, 2^101097923939 is an apocalyptic number.

101097923939 is a deficient number, since it is larger than the sum of its proper divisors (1).

101097923939 is an equidigital number, since it uses as much as digits as its factorization.

101097923939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 826686, while the sum is 53.

The spelling of 101097923939 in words is "one hundred one billion, ninety-seven million, nine hundred twenty-three thousand, nine hundred thirty-nine".