3792453421 has 2 divisors, whose sum is σ = 3792453422. Its totient is φ = 3792453420.

The previous prime is 3792453419. The next prime is 3792453451. The reversal of 3792453421 is 1243542973.

3792453421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3694937796 + 97515625 = 60786^2 + 9875^2 .

It is a cyclic number.

It is not a de Polignac number, because 3792453421 - 2¹ = 3792453419 is a prime.

Together with 3792453419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3792453451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1896226710 + 1896226711.

It is an arithmetic number, because the mean of its divisors is an integer number (1896226711).

Almost surely, 2^3792453421 is an apocalyptic number.

It is an amenable number.

3792453421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3792453421 is an equidigital number, since it uses as much as digits as its factorization.

3792453421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 3792453421 is about 61582.8987706815. The cubic root of 3792453421 is about 1559.4570514914.

The spelling of 3792453421 in words is "three billion, seven hundred ninety-two million, four hundred fifty-three thousand, four hundred twenty-one".