1863896912 has 10 divisors (see below), whose sum is σ = 3611300298. Its totient is φ = 931948448.

The previous prime is 1863896911. The next prime is 1863896927. The reversal of 1863896912 is 2196983681.

It can be written as a sum of positive squares in only one way, i.e., 1250046736 + 613850176 = 35356^2 + 24776^2 .

It is a super-2 number, since 2×1863896912² = 6948223397126271488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863896911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58246763 + ... + 58246794.

Almost surely, 2^1863896912 is an apocalyptic number.

It is an amenable number.

1863896912 is a deficient number, since it is larger than the sum of its proper divisors (1747403386).

1863896912 is a wasteful number, since it uses less digits than its factorization.

1863896912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116493565 (or 116493559 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 1863896912 is about 43172.8724084928. The cubic root of 1863896912 is about 1230.6672106606.

The spelling of 1863896912 in words is "one billion, eight hundred sixty-three million, eight hundred ninety-six thousand, nine hundred twelve".