2929936399261 has 2 divisors, whose sum is σ = 2929936399262. Its totient is φ = 2929936399260.

The previous prime is 2929936399253. The next prime is 2929936399331. The reversal of 2929936399261 is 1629936399292.

It is an a-pointer prime, because the next prime (2929936399331) can be obtained adding 2929936399261 to its sum of digits (70).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2150971291161 + 778965108100 = 1466619^2 + 882590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2929936399261 - 2³ = 2929936399253 is a prime.

It is a super-2 number, since 2×2929936399261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2929936399861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464968199630 + 1464968199631.

It is an arithmetic number, because the mean of its divisors is an integer number (1464968199631).

Almost surely, 2^{2929936399261} is an apocalyptic number.

It is an amenable number.

2929936399261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2929936399261 is an equidigital number, since it uses as much as digits as its factorization.

2929936399261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153055008, while the sum is 70.

The spelling of 2929936399261 in words is "two trillion, nine hundred twenty-nine billion, nine hundred thirty-six million, three hundred ninety-nine thousand, two hundred sixty-one".