102809122088462 has 4 divisors (see below), whose sum is σ = 154213683132696. Its totient is φ = 51404561044230.

The previous prime is 102809122088347. The next prime is 102809122088537. The reversal of 102809122088462 is 264880221908201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25702280522114 + ... + 25702280522117.

It is an arithmetic number, because the mean of its divisors is an integer number (38553420783174).

Almost surely, 2^{102809122088462} is an apocalyptic number.

102809122088462 is a deficient number, since it is larger than the sum of its proper divisors (51404561044234).

102809122088462 is an equidigital number, since it uses as much as digits as its factorization.

102809122088462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51404561044233.

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 102809122088462 in words is "one hundred two trillion, eight hundred nine billion, one hundred twenty-two million, eighty-eight thousand, four hundred sixty-two".