379893737261 has 2 divisors, whose sum is σ = 379893737262. Its totient is φ = 379893737260.

The previous prime is 379893737149. The next prime is 379893737273. The reversal of 379893737261 is 162737398973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301280232100 + 78613505161 = 548890^2 + 280381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379893737261 is a prime.

It is a super-2 number, since 2×379893737261² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379893737291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189946868630 + 189946868631.

It is an arithmetic number, because the mean of its divisors is an integer number (189946868631).

Almost surely, 2^379893737261 is an apocalyptic number.

It is an amenable number.

379893737261 is a deficient number, since it is larger than the sum of its proper divisors (1).

379893737261 is an equidigital number, since it uses as much as digits as its factorization.

379893737261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72013536, while the sum is 65.

The spelling of 379893737261 in words is "three hundred seventy-nine billion, eight hundred ninety-three million, seven hundred thirty-seven thousand, two hundred sixty-one".