1354958639 has 2 divisors, whose sum is σ = 1354958640. Its totient is φ = 1354958638.

The previous prime is 1354958593. The next prime is 1354958641. The reversal of 1354958639 is 9368594531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1354958639 - 2⁸ = 1354958383 is a prime.

Together with 1354958641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354958669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677479319 + 677479320.

It is an arithmetic number, because the mean of its divisors is an integer number (677479320).

Almost surely, 2^1354958639 is an apocalyptic number.

1354958639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354958639 is an equidigital number, since it uses as much as digits as its factorization.

1354958639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 53.

The square root of 1354958639 is about 36809.7628218384. The cubic root of 1354958639 is about 1106.5609652617.

The spelling of 1354958639 in words is "one billion, three hundred fifty-four million, nine hundred fifty-eight thousand, six hundred thirty-nine".