4691972791237 has 2 divisors, whose sum is σ = 4691972791238. Its totient is φ = 4691972791236.

The previous prime is 4691972791171. The next prime is 4691972791301. The reversal of 4691972791237 is 7321972791964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4690022597316 + 1950193921 = 2165646^2 + 44161^2 .

It is a cyclic number.

It is not a de Polignac number, because 4691972791237 - 2²⁷ = 4691838573509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4691972791637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345986395618 + 2345986395619.

It is an arithmetic number, because the mean of its divisors is an integer number (2345986395619).

Almost surely, 2^{4691972791237} is an apocalyptic number.

It is an amenable number.

4691972791237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4691972791237 is an equidigital number, since it uses as much as digits as its factorization.

4691972791237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72013536, while the sum is 67.

The spelling of 4691972791237 in words is "four trillion, six hundred ninety-one billion, nine hundred seventy-two million, seven hundred ninety-one thousand, two hundred thirty-seven".