102013309951747 has 2 divisors, whose sum is σ = 102013309951748. Its totient is φ = 102013309951746.

The previous prime is 102013309951739. The next prime is 102013309951801. The reversal of 102013309951747 is 747159903310201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102013309951747 - 2³ = 102013309951739 is a prime.

It is a super-2 number, since 2×102013309951747² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102013309951694 and 102013309951703.

It is not a weakly prime, because it can be changed into another prime (102013309951447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006654975873 + 51006654975874.

It is an arithmetic number, because the mean of its divisors is an integer number (51006654975874).

Almost surely, 2^{102013309951747} is an apocalyptic number.

102013309951747 is a deficient number, since it is larger than the sum of its proper divisors (1).

102013309951747 is an equidigital number, since it uses as much as digits as its factorization.

102013309951747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 102013309951747 in words is "one hundred two trillion, thirteen billion, three hundred nine million, nine hundred fifty-one thousand, seven hundred forty-seven".