63762274921 has 2 divisors, whose sum is σ = 63762274922. Its totient is φ = 63762274920.

The previous prime is 63762274861. The next prime is 63762274937. The reversal of 63762274921 is 12947226736.

63762274921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45736527321 + 18025747600 = 213861^2 + 134260^2 .

It is a cyclic number.

It is not a de Polignac number, because 63762274921 - 2⁹ = 63762274409 is a prime.

It is not a weakly prime, because it can be changed into another prime (63762274951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31881137460 + 31881137461.

It is an arithmetic number, because the mean of its divisors is an integer number (31881137461).

Almost surely, 2^63762274921 is an apocalyptic number.

It is an amenable number.

63762274921 is a deficient number, since it is larger than the sum of its proper divisors (1).

63762274921 is an equidigital number, since it uses as much as digits as its factorization.

63762274921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 49.

The spelling of 63762274921 in words is "sixty-three billion, seven hundred sixty-two million, two hundred seventy-four thousand, nine hundred twenty-one".