2913991933 has 2 divisors, whose sum is σ = 2913991934. Its totient is φ = 2913991932.

The previous prime is 2913991921. The next prime is 2913991937. The reversal of 2913991933 is 3391993192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2896377124 + 17614809 = 53818^2 + 4197^2 .

It is a cyclic number.

It is not a de Polignac number, because 2913991933 - 2²¹ = 2911894781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2913991937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1456995966 + 1456995967.

It is an arithmetic number, because the mean of its divisors is an integer number (1456995967).

Almost surely, 2^2913991933 is an apocalyptic number.

It is an amenable number.

2913991933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2913991933 is an equidigital number, since it uses as much as digits as its factorization.

2913991933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 354294, while the sum is 49.

The square root of 2913991933 is about 53981.4035849384. The cubic root of 2913991933 is about 1428.3329282888.

The spelling of 2913991933 in words is "two billion, nine hundred thirteen million, nine hundred ninety-one thousand, nine hundred thirty-three".