2119597156 has 6 divisors (see below), whose sum is σ = 3709295030. Its totient is φ = 1059798576.

The previous prime is 2119597099. The next prime is 2119597157. The reversal of 2119597156 is 6517959112.

It can be written as a sum of positive squares in only one way, i.e., 1995051556 + 124545600 = 44666^2 + 11160^2 .

It is not an unprimeable number, because it can be changed into a prime (2119597157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264949641 + ... + 264949648.

Almost surely, 2^2119597156 is an apocalyptic number.

It is an amenable number.

2119597156 is a deficient number, since it is larger than the sum of its proper divisors (1589697874).

2119597156 is a wasteful number, since it uses less digits than its factorization.

2119597156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529899293 (or 529899291 counting only the distinct ones).

The product of its digits is 170100, while the sum is 46.

The square root of 2119597156 is about 46039.0829187550. The cubic root of 2119597156 is about 1284.5502836656.

The spelling of 2119597156 in words is "two billion, one hundred nineteen million, five hundred ninety-seven thousand, one hundred fifty-six".