1958814949 has 36 divisors (see below), whose sum is σ = 2506268448. Its totient is φ = 1498966560.

The previous prime is 1958814917. The next prime is 1958814961. The reversal of 1958814949 is 9494188591.

It is not a de Polignac number, because 1958814949 - 2⁵ = 1958814917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1958814893 and 1958814902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958814149) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1136002 + ... + 1137724.

It is an arithmetic number, because the mean of its divisors is an integer number (69618568).

Almost surely, 2^1958814949 is an apocalyptic number.

It is an amenable number.

1958814949 is a deficient number, since it is larger than the sum of its proper divisors (547453499).

1958814949 is a wasteful number, since it uses less digits than its factorization.

1958814949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1774 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 58.

The square root of 1958814949 is about 44258.5014319283. The cubic root of 1958814949 is about 1251.2126789341.

The spelling of 1958814949 in words is "one billion, nine hundred fifty-eight million, eight hundred fourteen thousand, nine hundred forty-nine".