2478261692 has 12 divisors (see below), whose sum is σ = 4342133040. Its totient is φ = 1237652256.

The previous prime is 2478261601. The next prime is 2478261703. The reversal of 2478261692 is 2961628742.

It is a super-2 number, since 2×2478261692² = 12283562028069405728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365873 + ... + 372584.

It is an arithmetic number, because the mean of its divisors is an integer number (361844420).

Almost surely, 2^2478261692 is an apocalyptic number.

It is an amenable number.

2478261692 is a deficient number, since it is larger than the sum of its proper divisors (1863871348).

2478261692 is a wasteful number, since it uses less digits than its factorization.

2478261692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739300 (or 739298 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 2478261692 is about 49782.1423002265. The cubic root of 2478261692 is about 1353.2635612930.

The spelling of 2478261692 in words is "two billion, four hundred seventy-eight million, two hundred sixty-one thousand, six hundred ninety-two".