1956761562 has 64 divisors (see below), whose sum is σ = 4576518144. Its totient is φ = 546228480.

The previous prime is 1956761551. The next prime is 1956761563. The reversal of 1956761562 is 2651676591.

It is not an unprimeable number, because it can be changed into a prime (1956761563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334063 + ... + 339869.

It is an arithmetic number, because the mean of its divisors is an integer number (71508096).

Almost surely, 2^1956761562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1956761562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288259072).

1956761562 is an abundant number, since it is smaller than the sum of its proper divisors (2619756582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1956761562 is a wasteful number, since it uses less digits than its factorization.

1956761562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003.

The product of its digits is 680400, while the sum is 48.

The square root of 1956761562 is about 44235.2976931319. The cubic root of 1956761562 is about 1250.7753188984.

The spelling of 1956761562 in words is "one billion, nine hundred fifty-six million, seven hundred sixty-one thousand, five hundred sixty-two".