749153351947 has 32 divisors (see below), whose sum is σ = 1008390426624. Its totient is φ = 537493968000.

The previous prime is 749153351861. The next prime is 749153351963.

It is a happy number.

749153351947 is nontrivially palindromic in base 10.

749153351947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-749153351947 is a prime.

It is a super-2 number, since 2×749153351947² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749153351891 and 749153351900.

It is not an unprimeable number, because it can be changed into a prime (749153351147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545179 + ... + 1339972.

It is an arithmetic number, because the mean of its divisors is an integer number (31512200832).

Almost surely, 2^749153351947 is an apocalyptic number.

749153351947 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

749153351947 is a deficient number, since it is larger than the sum of its proper divisors (259237074677).

749153351947 is a wasteful number, since it uses less digits than its factorization.

749153351947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885579.

The product of its digits is 14288400, while the sum is 58.

The spelling of 749153351947 in words is "seven hundred forty-nine billion, one hundred fifty-three million, three hundred fifty-one thousand, nine hundred forty-seven".