2612538890 has 48 divisors (see below), whose sum is σ = 5101918488. Its totient is φ = 962777088.

The previous prime is 2612538889. The next prime is 2612538947. The reversal of 2612538890 is 988352162.

It can be written as a sum of positive squares in 12 ways, for example, as 76510009 + 2536028881 = 8747^2 + 50359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1136222 + ... + 1138518.

Almost surely, 2^2612538890 is an apocalyptic number.

2612538890 is a deficient number, since it is larger than the sum of its proper divisors (2489379598).

2612538890 is a wasteful number, since it uses less digits than its factorization.

2612538890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2612538890 is about 51113.0011836519. The cubic root of 2612538890 is about 1377.2758150452.

The spelling of 2612538890 in words is "two billion, six hundred twelve million, five hundred thirty-eight thousand, eight hundred ninety".