1952719097 has 4 divisors (see below), whose sum is σ = 2231678976. Its totient is φ = 1673759220.

The previous prime is 1952719081. The next prime is 1952719099. The reversal of 1952719097 is 7909172591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1952719097 - 2⁴ = 1952719081 is a prime.

It is a super-2 number, since 2×1952719097² = 7626223743576990818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1952719099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139479929 + ... + 139479942.

It is an arithmetic number, because the mean of its divisors is an integer number (557919744).

Almost surely, 2^1952719097 is an apocalyptic number.

It is an amenable number.

1952719097 is a deficient number, since it is larger than the sum of its proper divisors (278959879).

1952719097 is an equidigital number, since it uses as much as digits as its factorization.

1952719097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278959878.

The product of its (nonzero) digits is 357210, while the sum is 50.

The square root of 1952719097 is about 44189.5813173196. The cubic root of 1952719097 is about 1249.9134013607.

The spelling of 1952719097 in words is "one billion, nine hundred fifty-two million, seven hundred nineteen thousand, ninety-seven".