1954098431 has 2 divisors, whose sum is σ = 1954098432. Its totient is φ = 1954098430.

The previous prime is 1954098323. The next prime is 1954098457. The reversal of 1954098431 is 1348904591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1954098431 - 2¹⁰ = 1954097407 is a prime.

It is a super-2 number, since 2×1954098431² = 7637001356073323522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954898431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977049215 + 977049216.

It is an arithmetic number, because the mean of its divisors is an integer number (977049216).

Almost surely, 2^1954098431 is an apocalyptic number.

1954098431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954098431 is an equidigital number, since it uses as much as digits as its factorization.

1954098431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1954098431 is about 44205.1855668540. The cubic root of 1954098431 is about 1250.2076307897.

The spelling of 1954098431 in words is "one billion, nine hundred fifty-four million, ninety-eight thousand, four hundred thirty-one".