103764894721 has 2 divisors, whose sum is σ = 103764894722. Its totient is φ = 103764894720.

The previous prime is 103764894647. The next prime is 103764894757. The reversal of 103764894721 is 127498467301.

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., 70726743025 + 33038151696 = 265945^2 + 181764^2 .

It is a cyclic number.

It is not a de Polignac number, because 103764894721 - 2²¹ = 103762797569 is a prime.

It is not a weakly prime, because it can be changed into another prime (103764804721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51882447360 + 51882447361.

It is an arithmetic number, because the mean of its divisors is an integer number (51882447361).

Almost surely, 2^103764894721 is an apocalyptic number.

It is an amenable number.

103764894721 is a deficient number, since it is larger than the sum of its proper divisors (1).

103764894721 is an equidigital number, since it uses as much as digits as its factorization.

103764894721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 103764894721 in words is "one hundred three billion, seven hundred sixty-four million, eight hundred ninety-four thousand, seven hundred twenty-one".