748973386251 has 6 divisors (see below), whose sum is σ = 1081850446820. Its totient is φ = 499315590828.

The previous prime is 748973386223. The next prime is 748973386253. The reversal of 748973386251 is 152683379847.

748973386251 is a `hidden beast` number, since 7 + 48 + 9 + 7 + 338 + 6 + 251 = 666.

It is not a de Polignac number, because 748973386251 - 2¹³ = 748973378059 is a prime.

It is a super-2 number, since 2×748973386251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748973386253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41609632561 + ... + 41609632578.

Almost surely, 2^748973386251 is an apocalyptic number.

748973386251 is a deficient number, since it is larger than the sum of its proper divisors (332877060569).

748973386251 is a wasteful number, since it uses less digits than its factorization.

748973386251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83219265145 (or 83219265142 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 748973386251 in words is "seven hundred forty-eight billion, nine hundred seventy-three million, three hundred eighty-six thousand, two hundred fifty-one".