748126490649 has 16 divisors (see below), whose sum is σ = 1014444829440. Its totient is φ = 490280173520.

The previous prime is 748126490647. The next prime is 748126490689. The reversal of 748126490649 is 946094621847.

It is a cyclic number.

It is not a de Polignac number, because 748126490649 - 2¹ = 748126490647 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 748126490592 and 748126490601.

It is not an unprimeable number, because it can be changed into a prime (748126490641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6589534 + ... + 6702104.

It is an arithmetic number, because the mean of its divisors is an integer number (63402801840).

Almost surely, 2^748126490649 is an apocalyptic number.

It is an amenable number.

748126490649 is a deficient number, since it is larger than the sum of its proper divisors (266318338791).

748126490649 is a wasteful number, since it uses less digits than its factorization.

748126490649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150180.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 748126490649 in words is "seven hundred forty-eight billion, one hundred twenty-six million, four hundred ninety thousand, six hundred forty-nine".