1079749651 has 32 divisors (see below), whose sum is σ = 1247178240. Its totient is φ = 929263104.

The previous prime is 1079749639. The next prime is 1079749661. The reversal of 1079749651 is 1569479701.

It is a cyclic number.

It is not a de Polignac number, because 1079749651 - 2¹³ = 1079741459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1079749595 and 1079749604.

It is not an unprimeable number, because it can be changed into a prime (1079749631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694491 + ... + 696043.

It is an arithmetic number, because the mean of its divisors is an integer number (38974320).

Almost surely, 2^1079749651 is an apocalyptic number.

1079749651 is a deficient number, since it is larger than the sum of its proper divisors (167428589).

1079749651 is a wasteful number, since it uses less digits than its factorization.

1079749651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 1079749651 is about 32859.5442908145. The cubic root of 1079749651 is about 1025.9062858115.

The spelling of 1079749651 in words is "one billion, seventy-nine million, seven hundred forty-nine thousand, six hundred fifty-one".