2921713892 has 6 divisors (see below), whose sum is σ = 5112999318. Its totient is φ = 1460856944.

The previous prime is 2921713841. The next prime is 2921713901. The reversal of 2921713892 is 2983171292.

It can be written as a sum of positive squares in only one way, i.e., 2301504676 + 620209216 = 47974^2 + 24904^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365214233 + ... + 365214240.

It is an arithmetic number, because the mean of its divisors is an integer number (852166553).

Almost surely, 2^2921713892 is an apocalyptic number.

It is an amenable number.

2921713892 is a deficient number, since it is larger than the sum of its proper divisors (2191285426).

2921713892 is a wasteful number, since it uses less digits than its factorization.

2921713892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730428477 (or 730428475 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 2921713892 is about 54052.8805152880. The cubic root of 2921713892 is about 1429.5934900065.

The spelling of 2921713892 in words is "two billion, nine hundred twenty-one million, seven hundred thirteen thousand, eight hundred ninety-two".