2150186738 has 48 divisors (see below), whose sum is σ = 3845677824. Its totient is φ = 901239360.

The previous prime is 2150186729. The next prime is 2150186747. The reversal of 2150186738 is 8376810512.

It is an interprime number because it is at equal distance from previous prime (2150186729) and next prime (2150186747).

It is a junction number, because it is equal to n+sod(n) for n = 2150186695 and 2150186704.

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, 1579178 + ... + 1580538.

It is an arithmetic number, because the mean of its divisors is an integer number (80118288).

Almost surely, 2^2150186738 is an apocalyptic number.

2150186738 is a deficient number, since it is larger than the sum of its proper divisors (1695491086).

2150186738 is an frugal number, since it uses more digits than its factorization.

2150186738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 2150186738 is about 46370.1060813969. The cubic root of 2150186738 is about 1290.7002463837.

The spelling of 2150186738 in words is "two billion, one hundred fifty million, one hundred eighty-six thousand, seven hundred thirty-eight".