374910486421 has 2 divisors, whose sum is σ = 374910486422. Its totient is φ = 374910486420.

The previous prime is 374910486371. The next prime is 374910486427. The reversal of 374910486421 is 124684019473.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360036000900 + 14874485521 = 600030^2 + 121961^2 .

It is a cyclic number.

It is not a de Polignac number, because 374910486421 - 2²¹ = 374908389269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374910486427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187455243210 + 187455243211.

It is an arithmetic number, because the mean of its divisors is an integer number (187455243211).

Almost surely, 2^374910486421 is an apocalyptic number.

It is an amenable number.

374910486421 is a deficient number, since it is larger than the sum of its proper divisors (1).

374910486421 is an equidigital number, since it uses as much as digits as its factorization.

374910486421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 374910486421 in words is "three hundred seventy-four billion, nine hundred ten million, four hundred eighty-six thousand, four hundred twenty-one".