1361629964 has 6 divisors (see below), whose sum is σ = 2382852444. Its totient is φ = 680814980.

The previous prime is 1361629963. The next prime is 1361629979. The reversal of 1361629964 is 4699261631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1361629963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170203742 + ... + 170203749.

It is an arithmetic number, because the mean of its divisors is an integer number (397142074).

Almost surely, 2^1361629964 is an apocalyptic number.

It is an amenable number.

1361629964 is a deficient number, since it is larger than the sum of its proper divisors (1021222480).

1361629964 is a wasteful number, since it uses less digits than its factorization.

1361629964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340407495 (or 340407493 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 1361629964 is about 36900.2705139136. The cubic root of 1361629964 is about 1108.3740944224.

The spelling of 1361629964 in words is "one billion, three hundred sixty-one million, six hundred twenty-nine thousand, nine hundred sixty-four".