749139136552 has 16 divisors (see below), whose sum is σ = 1478564085600. Its totient is φ = 354855380400.

The previous prime is 749139136523. The next prime is 749139136583. The reversal of 749139136552 is 255631931947.

It is a super-2 number, since 2×749139136552² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749139136493 and 749139136502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464273324 + ... + 2464273627.

It is an arithmetic number, because the mean of its divisors is an integer number (92410255350).

Almost surely, 2^749139136552 is an apocalyptic number.

It is an amenable number.

749139136552 is a deficient number, since it is larger than the sum of its proper divisors (729424949048).

749139136552 is a wasteful number, since it uses less digits than its factorization.

749139136552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928546976 (or 4928546972 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 55.

The spelling of 749139136552 in words is "seven hundred forty-nine billion, one hundred thirty-nine million, one hundred thirty-six thousand, five hundred fifty-two".