52001604603491 has 2 divisors, whose sum is σ = 52001604603492. Its totient is φ = 52001604603490.

The previous prime is 52001604603469. The next prime is 52001604603493. The reversal of 52001604603491 is 19430640610025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52001604603491 is a prime.

Together with 52001604603493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52001604603493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26000802301745 + 26000802301746.

It is an arithmetic number, because the mean of its divisors is an integer number (26000802301746).

Almost surely, 2^{52001604603491} is an apocalyptic number.

52001604603491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52001604603491 is an equidigital number, since it uses as much as digits as its factorization.

52001604603491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 52001604603491 in words is "fifty-two trillion, one billion, six hundred four million, six hundred three thousand, four hundred ninety-one".