1013747961 has 16 divisors (see below), whose sum is σ = 1432470528. Its totient is φ = 635500800.

The previous prime is 1013747953. The next prime is 1013747993. The reversal of 1013747961 is 1697473101.

It is not a de Polignac number, because 1013747961 - 2³ = 1013747953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013748961) 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, 51816 + ... + 68646.

It is an arithmetic number, because the mean of its divisors is an integer number (89529408).

Almost surely, 2^1013747961 is an apocalyptic number.

It is an amenable number.

1013747961 is a deficient number, since it is larger than the sum of its proper divisors (418722567).

1013747961 is a wasteful number, since it uses less digits than its factorization.

1013747961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 1013747961 is about 31839.4089298153. The cubic root of 1013747961 is about 1004.5618118949.

The spelling of 1013747961 in words is "one billion, thirteen million, seven hundred forty-seven thousand, nine hundred sixty-one".