2937992421 has 24 divisors (see below), whose sum is σ = 4907419104. Its totient is φ = 1549709280.

The previous prime is 2937992347. The next prime is 2937992441. The reversal of 2937992421 is 1242997392.

It is not a de Polignac number, because 2937992421 - 2¹⁹ = 2937468133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2937992441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 766795 + ... + 770616.

It is an arithmetic number, because the mean of its divisors is an integer number (204475796).

Almost surely, 2^2937992421 is an apocalyptic number.

2937992421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2937992421 is a deficient number, since it is larger than the sum of its proper divisors (1969426683).

2937992421 is a wasteful number, since it uses less digits than its factorization.

2937992421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537441 (or 1537434 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 2937992421 is about 54203.2510187350. The cubic root of 2937992421 is about 1432.2436003311.

It can be divided in two parts, 29379924 and 21, that added together give a triangular number (29379945 = T₇₆₆₅).

The spelling of 2937992421 in words is "two billion, nine hundred thirty-seven million, nine hundred ninety-two thousand, four hundred twenty-one".