1453390977 has 4 divisors (see below), whose sum is σ = 1937854640. Its totient is φ = 968927316.

The previous prime is 1453390903. The next prime is 1453390987. The reversal of 1453390977 is 7790933541.

It is a happy number.

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 1453390977 - 2⁸ = 1453390721 is a prime.

It is a super-2 number, since 2×1453390977² = 4224690664050029058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453390987) 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, 242231827 + ... + 242231832.

It is an arithmetic number, because the mean of its divisors is an integer number (484463660).

Almost surely, 2^1453390977 is an apocalyptic number.

It is an amenable number.

1453390977 is a deficient number, since it is larger than the sum of its proper divisors (484463663).

1453390977 is an equidigital number, since it uses as much as digits as its factorization.

1453390977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484463662.

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 1453390977 is about 38123.3652370826. The cubic root of 1453390977 is about 1132.7328266148.

The spelling of 1453390977 in words is "one billion, four hundred fifty-three million, three hundred ninety thousand, nine hundred seventy-seven".