1949225131 has 8 divisors (see below), whose sum is σ = 2279492864. Its totient is φ = 1631909160.

The previous prime is 1949225107. The next prime is 1949225141. The reversal of 1949225131 is 1315229491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1949225131 - 2¹¹ = 1949223083 is a prime.

It is a super-2 number, since 2×1949225131² = 7598957222643934322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1949225101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237615 + ... + 3238216.

It is an arithmetic number, because the mean of its divisors is an integer number (284936608).

Almost surely, 2^1949225131 is an apocalyptic number.

1949225131 is a deficient number, since it is larger than the sum of its proper divisors (330267733).

1949225131 is an equidigital number, since it uses as much as digits as its factorization.

1949225131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475881.

The product of its digits is 19440, while the sum is 37.

The square root of 1949225131 is about 44150.0297961394. The cubic root of 1949225131 is about 1249.1674735896.

The spelling of 1949225131 in words is "one billion, nine hundred forty-nine million, two hundred twenty-five thousand, one hundred thirty-one".