1963462231977 has 16 divisors (see below), whose sum is σ = 2650245840000. Its totient is φ = 1292858734464.

The previous prime is 1963462231877. The next prime is 1963462232021. The reversal of 1963462231977 is 7791322643691.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1963462231977 is a prime.

It is a super-2 number, since 2×1963462231977² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1963462231977.

It is not an unprimeable number, because it can be changed into a prime (1963462231777) 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, 3755602 + ... + 4246347.

It is an arithmetic number, because the mean of its divisors is an integer number (165640365000).

Almost surely, 2^{1963462231977} is an apocalyptic number.

It is an amenable number.

1963462231977 is a deficient number, since it is larger than the sum of its proper divisors (686783608023).

1963462231977 is an equidigital number, since it uses as much as digits as its factorization.

1963462231977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002960.

The product of its digits is 20575296, while the sum is 60.

The spelling of 1963462231977 in words is "one trillion, nine hundred sixty-three billion, four hundred sixty-two million, two hundred thirty-one thousand, nine hundred seventy-seven".