1481929947 has 24 divisors (see below), whose sum is σ = 2255394960. Its totient is φ = 935055360.

The previous prime is 1481929931. The next prime is 1481929961. The reversal of 1481929947 is 7499291841.

It is not a de Polignac number, because 1481929947 - 2⁴ = 1481929931 is a prime.

It is a super-2 number, since 2×1481929947² = 4392232735630845618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1481929893 and 1481929902.

It is not an unprimeable number, because it can be changed into a prime (1481929987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204547 + ... + 211667.

It is an arithmetic number, because the mean of its divisors is an integer number (93974790).

Almost surely, 2^1481929947 is an apocalyptic number.

1481929947 is a deficient number, since it is larger than the sum of its proper divisors (773465013).

1481929947 is a wasteful number, since it uses less digits than its factorization.

1481929947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363 (or 8360 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 1481929947 is about 38495.8432431347. The cubic root of 1481929947 is about 1140.0989826335.

The spelling of 1481929947 in words is "one billion, four hundred eighty-one million, nine hundred twenty-nine thousand, nine hundred forty-seven".